Patent US3370233A successfully refreshed from Google Patents.
US3370233A
Expired / Lapsed
US
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Test apparatus for determining beta and leakage current of an in-circuit or out-of-circuit transistor
Assignee: Triplett Electrical Instrument Co
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Filing: 1964-06-04
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Granted: 1968-02-20
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Morelock Oliver James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:00
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/02; G01R1/06; G01R1/067; G01R1/073; G01R31/00; G01R31/26; G01R31/2607; G01R31/2608; G01R31/2614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2311276A
Cited
US2571458A
Cited
US2555203A
Cited
US2776420A
Cited
US2922954A
Cited
US3237104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |